- For high-octane performance, tune your ride with the high-tech SCT X4 Power Flash Programmer (49-State Legal)
- The easiest way to crank up your horsepower, boost torque and enhance throttle response
- Create and store up to 10 custom tunes optimized for your particular driving style
- Offers a wide range of adjustability to critical vehicle parameters, including rev limiter, shift points, idle speed and more (varies by vehicle)
- Increases fuel efficiency when you’re not pushing the pedal to the metal
- The SCT X4 Power Programmer features a smaller, more ergonomic design compared to the X3
- Easy-to-read full color LCD screen that runs in landscape and portrait modes
- Auto-dimming for optimal contrast night and day
- Logs and displays PCM data in real-time while you drive, or review your runs at home using SCT’s LiveLink software
- Connects to your computer via built-in WiFi for easy updating
- Equipped with two analog inputs
- Measures 2.75” by 5.5”
- Street legal in all states except California
- Your SCT X4 Power Flash Programmer (49-State Legal) includes a 1-year warranty
The digital revolution has just arrived on your dashboard. Celebrate technology at its finest with a SCT X4 Power Flash Programmer (49-State Legal), the most innovative tuner in the SCT lineup. More compact and ergonomic than the X3, the X4 boasts a brilliant full-color LCD display that puts huge horsepower, torque and throttle response gains right at your fingertips.
Packed with dyno-proven tunes tailor made for your ride, the SCT X4 Tuner unleashes your full performance potential. But that's just the beginning. With full control over a wide range of critical engine parameters, you can create and store up to 10 custom tunes for any situation, from towing trailers up steep grades to passing slowpokes on the highway.
You don't have to get your hands dirty installing the SCT X4 Flash Tuner. Just plug it into your OBD-II port, follow the on-screen prompts and you're ready for action. Plus, it doubles as a digital gauge set, giving you real-time readouts of all your key speed stats. And with WiFi built in, you can update your X4 without ever connecting it to your PC. It even comes with a 1-Year Warranty.
SCT X4 Power Flash Programmer (49-State Legal) Customer Reviews
38 Customer Reviews
Reviewed by Derick G (Athens, GA) Reviewed for a 2010 Ford F-150 — Jul 10, 2018 4:35 AM
I replaced the tires on my truck and went from a 275/55R20 to a 35x12.50R20. The speedometer was way off. This programmer fixed that and my fuel mileage has gone up.
Reviewed by Justin P (NEW CASTLE, PA) Reviewed for a 2015 Ford F-150 — Jan 31, 2018 5:05 AM
I had never used one before & from start to finish, I was done in under an hour. Really easy to use. I definitely noticed a pleasant increase in power & gas mileage. I recommend!
Reviewed by Jacob S (BELLEVILLE, MI) Reviewed for a 2014 Ford F-150 — Jan 07, 2018 10:57 AM
Very good pre loaded tunes. I bought this as a Christmas gift for myself, and sct does great with their tuners. It does look a little ugly and cheap, but it works great. I use the 87 tune on my 5.0 f150 and it feels like it gained a lot of power. Also fuel economy when driving reasonably is about 2mpg better just on 87 octane. I was getting around 19 combined in negative temperatures. Highly recommend it if you can get past what the device looks like.
Reviewed by Scott N (Donalds, SC) Reviewed for a 2016 Dodge Charger — Dec 13, 2017 8:58 AM
Disable veteran, got this car for myself. Don't drive much, but I do like to have a little muscle when I do.
Reviewed by Russell G (GENEVA, IL) Reviewed for a 2010 Ford Crown Victoria — Aug 16, 2017 6:14 AM
Comes with preloaded tunes but not ad many "customizable" modification options as I was led to believe. Had to order a custom tune because of this. Car runs with my mods and wouldn't run without it so, yeah...
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